Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Accounts receivable, allowance (in Dollars)	$ 137,000	$ 136,000
Property and equipment, accumulated depreciation (in Dollars)	3,611,000	3,290,000
Identifiable intangible assets, accumulated amortization (in Dollars)	$ 3,094,000	$ 2,827,000
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	33,191,561	32,687,522
Common stock, shares outstanding	33,011,561	32,507,522
Treasury stock, shares	180,000	180,000